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1 /* PR middle-end/30494 */
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2 /* { dg-do run } */
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3
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4 #include <omp.h>
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5
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6 int errors;
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7
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8 int
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9 check (int m, int i, int *v, int *w)
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10 {
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11 int j;
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12 int n = omp_get_thread_num ();
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13 for (j = 0; j < m; j++)
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14 if (v[j] != j + n)
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15 #pragma omp atomic
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16 errors += 1;
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17 for (j = 0; j < m * 3 + i; j++)
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18 if (w[j] != j + 10 + n)
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19 #pragma omp atomic
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20 errors += 1;
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21 }
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22
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23 int
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24 foo (int n, int m)
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25 {
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26 int i;
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27 #pragma omp for
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28 for (i = 0; i < 6; i++)
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29 {
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30 int v[n], w[n * 3 + i], j;
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31 for (j = 0; j < n; j++)
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32 v[j] = j + omp_get_thread_num ();
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33 for (j = 0; j < n * 3 + i; j++)
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34 w[j] = j + 10 + omp_get_thread_num ();
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35 check (m, i, v, w);
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36 }
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37 return 0;
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38 }
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39
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40 int
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41 bar (int n, int m)
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42 {
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43 int i;
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44 #pragma omp parallel for num_threads (4)
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45 for (i = 0; i < 6; i++)
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46 {
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47 int v[n], w[n * 3 + i], j;
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48 for (j = 0; j < n; j++)
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49 v[j] = j + omp_get_thread_num ();
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50 for (j = 0; j < n * 3 + i; j++)
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51 w[j] = j + 10 + omp_get_thread_num ();
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52 check (m, i, v, w);
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53 }
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54 return 0;
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55 }
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56
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57 int
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58 main (void)
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59 {
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60 #pragma omp parallel num_threads (3)
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61 foo (128, 128);
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62 bar (256, 256);
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63 return 0;
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64 }
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